I cannot figure out why leaves are discolored. Third go at it. Indoor: Soil 5gl pot Tent 6' x 6' x 7' Strain: Blue Dream Week 7 Flower Light 600w HPS Temps 75-78 day 70-72 night Soil PH 6.3 Water PH always 6.5 Humidity 40-45 Water: Distilled Nutrients AN Sensi A+B-4ml, Monster Bloom 0-50-30 (Powder)-1/8 teaspoon, Super Thrive-1ml, Earth Juice Oily-1/2" teaspoon. PPM-750-900 Feed, Feed, Water only when pot is dry maybe every 5-6 days
It looks like they might be just yellowing out because the plant might be nearing the end of its natural flower cycle. When I've grown Blue Dream before I harvested around 60-65 days, and most strains that I've grown will start to pull nutrients from their older/bigger fan leaves leaving leaving them yellowed towards the end of flowering, especially during flushing. If from your experience this particular plant can go for longer in flower, then it might just be a nutrient deficiency, possibly Nitrogen.
Looks like its finishing to me..its definitely not a deficiency but it is nitrogen (plus other elements) being exhausted in the plant. Please don't follow everyones advice, just watch trichome production and start flushing soon, if you try and fix a 'mg deficiency' you're going to create a huge headache. Flush with some sort of carbohydrate, molasses is cheap and easy w/ adequate potassium, magnesium, calcium, and sulfur to finish out terpene development appropriately. Don't take it too early though, the bulk comes at end Best of luck
It's definitely not Magnesium or Calcium deficiency, those look completely different than this. Like I said it is probably a natural N deficiency that is a sign that the plants are nearing the end of flower.
flush and flush some more on a feed feed water i think there may be buildup....if every leaf has Mg yellow by the vein look then ye its that they are saying its done because you dont have any NEW pistils...i found a few. keep it up gj on the super crop attempt they look sturdy
Thanks for replies. My last grow finished in 85 days going by trich's 10% amber. There is new pistol growth and buds are fattening up so I flushed with a tea made from Molasses- 15ml, Earth Juice Oily Can Cal/Mag 5ml, and TBS of Stump Tea, Per gallon. Starting PPM/PH were PPM-350 PH-6.5 I ran 5 gallons thru. I took ppm/ph readings of run off of last gallon. PPM-400 and PH-6.4. I guess I will just keep flushing for the next 3 weeks and watch trichs. Thanks again for the help. FYI I think I did set the plant back a week or to with some light stress. Here are some pics from my last harvest of Blue Dream.